FORMATION OF SECONDARY CRYSTALLITES DURING ELECTROCHEMICAL CYCLING OFHYDROGEN MOLYBDENUM BRONZE

Authors
ENDRES F SCHWITZGEBEL G
Citation
F. Endres et G. Schwitzgebel, FORMATION OF SECONDARY CRYSTALLITES DURING ELECTROCHEMICAL CYCLING OFHYDROGEN MOLYBDENUM BRONZE, Materials research bulletin, 31(12), 1996, pp. 1537-1541
Citations number
12
Categorie Soggetti
Material Science
Journal title
Materials research bulletin → ACNP
ISSN journal
00255408
Volume
31
Issue
12
Year of publication
1996
Pages
1537 - 1541
Database
ISI
SICI code
0025-5408(1996)31:12<1537:FOSCDE>2.0.ZU;2-D
Abstract
Powder samples of hydrogen molybdenum bronzes (HxMoO3) were effectivel y stabilized by the addition of 30 mass% polyethylene (PE) powder, pre ssing and a following thermal treatment, The composite material does n ot degrade in 0.05 mol l(-1) H2SO4 but shows 1-3 mu m wide cracks in t he surface and the formation and growth of small hydrated bronze cryst als (1-10 mu m) during electrochemical cycling. An electrochemical dis solution/precipitation mechanism is presented and discussed.